Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (5 online) Mindat Auctions

Böhmite

Big Photo

Saga 1 Quarry, Sagåsen (Strandåsen), Mørje, Porsgrunn, Telemark, Norway
© OT. Ljostad

Show Böhmite Photos (8)
Formula:
AlO(OH)
System:OrthorhombicColour:White, pale greyish ...
Hardness:3½
Name:For Johannes Böhm (1857-1938), German geologist, who first studied the species.


A major constituent of Bauxite.

Dimorphous with Diaspore and isostructural with Lepidocrocite.

Classification of Böhmite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/F.06-20
Nickel-Strunz 10th (pending) edition ID:4.FE.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
E : Hydroxides with OH, without H2O; sheets of edge-sharing octahedra
Dana 8th edition ID:6.1.2.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
1 : XO(OH)
Hey's CIM Ref.:7.6.2

7 : Oxides and Hydroxides
6 : Oxides of Al
mindat.org URL:http://www.mindat.org/min-707.html
Please feel free to link to this page.

Type Occurrence of Böhmite

Type Locality:Mas Rouge, Les Baux-de-Provence, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France
Geological Setting of type material:Bauxite deposit
Associated Minerals at type locality:
KaoliniteGibbsiteDiaspore

Occurrences of Böhmite

Geological Setting:In bauxite, laterite or fireclay deposits; as a low-temperature hydrothermal decomposition product in nepheline pegmatites, syenites and ocean-ridge basalts.

Physical Properties of Böhmite

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Translucent
Colour:White, pale greyish brown; yellowish or reddish when impure; colourless in thin section
Streak:White
Hardness (Mohs):3½
Cleavage:Very Good
on {010}, good on {100}, and poor on {001}
Density (measured):3.02 - 3.05 g/cm3
Density (calculated):3.08 g/cm3

Crystallography of Böhmite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:a = 3.693Å, b = 12.221Å, c = 2.865Å
Ratio:a:b:c = 0.302 : 1 : 0.234
Unit Cell Volume:V 129.30 ų (Calculated from Unit Cell)
Z:4
Morphology:Rarely tabular to stout prismatic crystals, to 2 mm, showing {001}, {110}, {101}, {111}, {221}; commonly extremely fine-grained, in pisolitic aggregates or disseminated.
X-Ray Powder Diffraction:
d-spacingIntensity
6.11 (100)
3.15 (60)
2.347 (60)
1.862 (20)
1.850 (20)
1.308 (15)
Comments:Recorded on material from Hurunui Peak, New Zealand

Optical Data of Böhmite

Type:Biaxial (+)
RI values: nα = 1.644 - 1.648 nβ = 1.654 - 1.657 nγ = 1.661 - 1.668
2V:Measured: 74° to 88°, Calculated: 80°
Maximum Birefringence:δ = 0.017 - 0.020

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:weak

Chemical Properties of Böhmite

Formula:
AlO(OH)
Essential elements:Al, H, O
All elements listed in formula:Al, H, O
Analyical Data:(1) Chemical analysis of material from Vishnevy Mts, Urals, Russia
(2) Electron microprobe analysis of material from Hurunui Peak, New Zealand; water content calculated from stoichiometry
         (1)      (2)

SiO2    (2.11)   (0.76)
TiO2             (0.03)
Al2O3  (81.60)  (83.84)
Ga2O3   (0.05)
Fe2O3   (0.58)   (0.53)
MgO              (0.02)
CaO     (0.26)   (0.08)
H2O    (15.31)  (15.05)

sum     99.91   100.31 wt.-%
Empirical Formula:
Al
 
0.98
[O
 
0.96
(OH)
 
1.04
]
 
=2.00
 (1); Al
 
0.98
Si
 
0.01
O(OH) (2)

Relationship of Böhmite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.FE.05Amakinite
(Fe
2+
 
,Mg)(OH)
 
2
4.FE.05Brucite
Mg(OH)
 
2
4.FE.05Portlandite
Ca(OH)
 
2
4.FE.05Pyrochroite
Mn(OH)
 
2
4.FE.05Theophrastite
Ni(OH)
 
2
4.FE.10Bayerite
Al(OH)
 
3
4.FE.10Doyleite
Al(OH)
 
3
4.FE.10Gibbsite
Al(OH)
 
3
4.FE.10Nordstrandite
Al(OH)
 
3
4.FE.15Lepidocrocite
γ-Fe
3+
 
O(OH)
4.FE.20Grimaldiite
CrO(OH)
4.FE.20Heterogenite
CoO(OH)
4.FE.25Feitknechtite
Mn
3+
 
O(OH)
4.FE.25Lithiophorite
(Al,Li)MnO
 
2
(OH)
 
2
4.FE.30Quenselite
PbMnO
 
2
(OH)
4.FE.35Ferrihydrite
Fe
 
5
O
 
3
(OH)
 
9
4.FE.40Feroxyhyte
Fe
3+
 
O(OH)
4.FE.40Vernadite
(Mn
4+
 
,Fe
3+
 
,Ca,Na)(O,OH)
 
2
 · nH
 
2
O
4.FE.45Quetzalcoatlite
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
·Ag
 
x
Pb
 
y
Cl
 
x+2y
Related Minerals - Hey's Index Grouping:
7.6.1Corundum
Al
 
2
O
 
3
7.6.2Diaspore
AlO(OH)
7.6.4Gibbsite
Al(OH)
 
3
7.6.5Bayerite
Al(OH)
 
3
7.6.6Nordstrandite
Al(OH)
 
3
7.6.7Doyleite
Al(OH)
 
3
7.6.8Akdalaite
4Al
 
2
O
 
3
 · H
 
2
O

Other Names for Böhmite

Synonyms:
Boehmite
German names:
BoehmitBöhmit
Russian names:
Бемит
Spanish names:
BoehmitaBöhmita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:As a constituent of bauxite an important raw material for the industrial production of aluminium.

References for Böhmite

Reference List:Böhm, J. (1925), Zeitschrift für Anorganische Chemie 149, 203.

de Lapparent (1927), Comptes Rendus 184, 1661.

American Mineralogist (1928), 13, 72.

de Lapparent (1930), Bulletin de la Société Minéralogique 53, 262.

Goldstaub (1936), Bulletin de la Société Minéralogique 59, 348.

Palache, C., Berman, H. and Frondel, C. (1944): The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc. (New York), 7th edition, revised and enlarged, 645-646.

Deer, W. A., Howie, R. A. and Zussman, J. (1962): Rock-forming minerals, Vol. 5, Non-silicates, 111-117.

Sahama, T. G., Lehtinen, M. and Rehtijärvi, P. (1973): Natural boehmite single crystals crom Ceylon. Contr. Mineral. Petrol. 39, 171-174.

Shelley, D., Smale, D. and Tulloch, A. J. (1977): Boehmite in syenite from New Zealand. Mineralogical Magazine 41, 398-400.

Kiss, A. B., Keresztury, G., and Farkas, L. (1980): Raman and IR spectra and structure of boehmite (γ-AlOOH). Evidence for the recently discarded D 17 2h space group. Spectrochimica Acta 36A, 653-658.

Larsen, A. O. (1981): Boehmite from syenite pegmatites in the Oslo region, Norway. Mineralogical Record 12, 227-230.

Hill, R. J. (1981): Hydrogen atoms in boehmite: a single crystal X-ray diffraction and molecular orbital study. Clays and Clay Minerals 29, 435-445.

Corbató, C. E., Tettenhorst, R. T. and Christoph, G. G. (1985): Structure refinement of deuterated boehmite. Clays and Clay Minerals 33, 71-75.

Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70.

Internet Links for Böhmite

Search Engines:
  • Look for Böhmite on Google
  • Look for Böhmite images on Google
    • External Links:
  • Look for Böhmite on Webmineral
  • Look for Böhmite on Athena Mineralogy
  • Look for Böhmite on Wikipedia
  • Look for Böhmite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Böhmite in the Natural History Museum (London) online catalogue
  • Böhmite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Rare and Unusual minerals at Mineralogical Research Company
  • Wendel Minerals - Auktion & Shop
  • Lapis Mineral Magazin
  • e-Rocks - Mineral Auctions and Sales
  • Buy from David K Joyce minerals
  • Search for Böhmite on minvision.com
  • Top quality minerals from Kristalle of California
  • Fabre Minerals - search for Böhmite specimens
  • High-end worldwide specimens & outstanding customer service
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy Minerals and Crystals from Crystalarium.com
  • Wright's Rock Shop - excellent mineral specimens since 1970
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Böhmite

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    These maps work faster with Firefox!
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Northern Territory
    		www.smenet.org/opaque-ore/ix_d49_3.htm.
    • Queensland
      • Cape York
    Austria
     
    • Lower Austria
      • Wiener Neustadt
        • Dreistetten
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Salzburg
      • Salzburg
        • Untersberg massif
          • Glanegg
    		A. Strasser: Die Minerale Salzburgs (1989)
    A. Strasser: Die Minerale Salzburgs (1989)
    • Upper Austria
      • Windischgarsten
        • Laussa valley
          • Unterlaussa
            • Weißwasser
    		Bernhard, F. (2008) unpublished XRD-analyses
    Bernhard, F. (2008) unpublished XRD analyses
    Brazil
     
    • Central-West Region
      • Goiás
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    • Southeast Region
      • Minas Gerais
        • Araxá
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    Canada
     
    • Ontario
      • Hastings Co.
        • Bancroft District
          • Dungannon Township
    		Ref: Sabina (1986) Geol. Survey of Canada, Misc. Report 39, 11-14.
    China
     
    • Guizhou Province
      • Zunyi Prefecture
        • Zunyi Co.
    		Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
    • Henan Province
      • Zhengzhou Prefecture
        • Gongyi Co.
    		http://www.smartminerals.com/cina2004/art_China_localities.htm
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Žlutice (Luditz)
    		Černý, P. et al.: Mokrá u Žlutic, lokalita gibbsitu, böhmitu a zeolitů. Minerál, 2002, roč. 10, č. 6, s. 403 - 408.
    France
     
    • Midi-Pyrénées
      • Ariège
        • Foix
          • Montels
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70
        • Lavelanet
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70
    • Provence-Alpes-Côte d'Azur
      • Bouches-du-Rhône
        • Les Baux-de-Provence
    		S. Caillère and Th. Pobeguin : "Quelques Aspects Microscopiques de la Gibbsite dans les Bauxites du Mas Rouge (Région des Baux)", Bull. Soc. Fr. Minéral. Cristallogr., 1967, XC, N°3, 414-416
      • Var
        • Brignoles
    		Bull. Soc. Franç. Minéralo. Cristallo. , 1964, LXXXVII, p. 542-546.
        • Cabasse
    		Self collected by S. MAURY
    Self collected by S. MAURY
    Germany
     
    • Saxony
      • Erzgebirge
        • Oberwiesenthal
          • Niederschlag
    		T. Witzke (1994): Neufunde aus Sachsen (II): Nordstrandit vom Bärenstein bei Annaberg in Sachsen.- Lapis 19, 10, 36-39
    Ghana
     
    • Bekwai District
      • Affoh-sefwi
    		http://www.minport.com/showmrds-W001836.html
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Western Attikí District
        • Megara
    		Z. Maksimovitch, D.L. Bisch : "Brindleyite, a nickel-rich aluminous serpentinite mineral analogous to berthierine", Amer. Mineralogist, 1978, 63, 484-489"
    • Sterea Hellas Department
      • Fthiótis Prefecture
        • Lokris
    		http://www.min.tu-clausthal.de/www/sga/news15/art10.html
    Greenland
     
    • Kitaa (West Greenland) Province
      • Arsuk
        • Arsuk Firth
          • Ivittuut (Ivigtut)
    		[www.hedegaard.com]
    Hungary
     
    • Fejér Co.
      • Bakony Mts.
    		Szakáll & Jánosi: Minerals of Hungary, 1995
      • Bicske-Zsámbéki Basin
        • Bicske-Csordakút
    		Szakáll & Jánosi: Minerals of Hungary, 1995
        • Mány
    		Sajó, I.E. & Szakáll, S. (2007): Canadian Mineralogist 45, 479-483.
      • Vértes Mts.
        • Gánt
    		Szakáll & Jánosi: Minerals of Hungary, 1995
    Szakáll: 100 Hungarian Mineal Locality, 2004
    Szakáll & Jánosi: Minerals of Hungary, 1995
    • Komárom-Esztergom Co.
      • Gerecse Mts.
        • Tatabánya
    		Szakáll & Jánosi: Minerals of Hungary, 1995
    • Veszprém Co.
      • Bakony Mts.
        • Eplény
    		Koch: Minerals of Hungary, 1985
        • Fenyőfő
    		Koch: Minerals of Hungary, 1985
    Szakáll & Jánosi: Minerals of Hungary, 1995
    Szakáll & Jánosi: Minerals of Hungary, 1995
    Mineral Species of Hungary, 2005
    Koch: Minerals of Hungary, 1985
        • Nyirád
    Szakáll: 100 Hungarian Mineral Locality, 2004
        • Sümeg
    		Mineral Species of Hungary, 2005
    Israel
     
    Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
    Italy
     
    • Veneto
      • Vicenza Province
        • Montecchio Maggiore
          • San Pietro
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70
        • Tretto di Schio
          • Val Munari
            • Contrade Maglio-Pornaro
    		Saccardo D., Zordan A., 2002. Il giacimento metamorfico di contatto di Maglio-Pornaro al Tretto di Schio (Vicenza). Riv. Miner. Ital., 4: 234-236.
    Jamaica
     
    • Saint Annes Parish
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Hiroshima Prefecture
    		Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
      • Tohoku Region
        • Iwate Prefecture
    		Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
    Madagascar
     
    • Tuléar (Toliara) Province
      • Anosy (Fort Dauphin) Region
        • Amboasary Department
    		J.Behier: Carte mineralogique de Madagascar. Archive Serv. Geol.Mad. A 1871
    New Zealand
     
    • South Island
      • Hurunui District
        • Culverden
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
      • Otago
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    Norway
     
    • Telemark
      • Porsgrunn
        • Langangen
          • Rønningen
    		Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179
          • Slevolden
    		Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179
        • Langesundsfjorden
          • Siktesøya
    		Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
        • Mørje
          • Sagåsen (Strandåsen)
    		Larsen, A.O. (1981): Boehmite from syenite pegmatites in the Oslo region, Norway. Mineralogical Record 12, 227-230
    Larsen, A.O. (1981): Boehmite from syenite pegmatites in the Oslo region, Norway. Mineralogical Record 12, 227-230
    A. O. Larsen, A. Åsheim and R. A. Gault, 2005.
    Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
    • Vestfold
      • Larvik
        • Lågendalen
    		Sæbö (1966, p. 260); Neumann (1985, p. 87).
        • Langesundsfjorden
          • Vesle Arøya
    		Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
        • Tjølling
          • Håkestad
        • Tvedalen
    Stein, 1, 1991
    Collection of Peter Andresen.
    Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
    Collection of Peter Andresen.
    Russia
     
    • North-Western Region
      • Leningradskaya Oblast'
    • Northern Caucasus Region
      • Kabardino-Balkarian Republic
        • Verkhnechegemskiy volcanic structure
    		A. E. Zadov data
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    • Urals Region
      • Chelyabinsk Oblast'
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
        • Gemerská Ves
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
      • Slovenský kras Mts
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
      • Southern Vihorlat Mts
        • Remetské Hámre
    		[Eur.J.Mineral. 13:177-186]
    • Trenčín region
      • Strážovské Mts
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    Sudan
     
    • Shamal Darfur Wilayah
    Sweden
     
    • Skåne
      • Helsingborg
        • Fjärestad
    Switzerland
     
    • Wallis (Valais)
      • Collombey
        • Muraz
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 81
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 140; Graeme, R. (1981), Famous mineral localities: Bisbee, AZ, Min.Rec.: 12: 256-319.
    • Arkansas
      • Saline Co.
        • Bauxite
    		Rocks & Min.:63:122; Stroud, et al(1969).
    • California
      • Riverside Co.
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70
    • Colorado
      • Clear Creek Co.
        • Geneva District
    		Minerals of Colorado (1997) Eckel, E. B.
    • Georgia
      • Rabun Co.
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70
        • Pine Mountain
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 70
    • Montana
      • Silver Bow Co.
        • Butte District
    		The Mineralogy of The Butte District, Montana; Guilbert and Zeihen
    • North Carolina
      • Jackson Co.
    		American Mineralogist ,1979, Vol. 64 pg 1300-1302
      • Mitchell Co.
        • Bee Creek
    		Mineral Commodity Files, Asheville Regional Office, North Carolina Geological Survey
    • Pennsylvania
    		Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 20-21; Montgomery, A. (Aug, 1972) PA Mins. (PM) (116), Keystone Newsletter; Grant, R.W. (Feb & Mar, 1973) PA Mins. (PM) (1
    Rocks & Min.: 6:26; 10:33-36, 58; Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 20-21; Montgomery, A. (Aug, 1972) PA Mins. (PM) (116), Keystone Newsletter; Grant, R.W.
    Rocks & Min.: 6:26; 10:33-36, 58; Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 20-21; Montgomery, A. (Aug, 1972) PA Mins. (PM) (116), Keystone Newsletter; Grant, R.W.
    • Utah
      • Juab Co.
        • Drum Mts
          • Detroit District (Drum District; Joy District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Utah Co.
        • East Tintic Mts
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Virginia
      • Augusta Co.
        • Spottswood Bauxite District
          • Spottswood
    		Rocks & Min.:60:165.
    Rocks & Min.:60:165.
    Rocks & Min.: 60:165.
    • Washington
      • Cowlitz Co.
        • Longview
          • Slide Creek
    		Cannon, B. (1975): Minerals of Washington, p.60
      • King Co.
        • Palmer
    		Cannon, B. (1975): Minerals of Washington, p.60
    Cannon, B. (1975): Minerals of Washington, p.60
    Cannon, B. (1975): Minerals of Washington, p.60
      • Kittitas Co.
        • Hyas Lake
    		Cannon, B. (1975): Minerals of Washington, p.60
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.